Genaro Matias Prono Britez (born April 29, 1989) is a Paraguayan swimmer, who specialized in breaststroke events. Prono is a member of the swimming team for Auburn Tigers, and a graduate of marketing at Auburn University in Auburn, Alabama. He is also a resident athlete of the Pine Crest Swim Team in Fort Lauderdale, Florida, where he trained with numerous world-class swimmers, including three-time Olympian Bradley Ally of Barbados, and freestyle specialist Daniele Tirabassi of Venezuela.